<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>课程管理员数据管理</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getMasterList" @keyup.enter="getMasterList">
            <el-button slot="append" icon="el-icon-search" @click="getMasterList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="1.5">
          <el-button type="primary" @click="addMasterVisible = true">添加数据</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="MasterList" border stripe>
        <el-table-column label="工号" prop="username" ></el-table-column>
        <el-table-column label="用户名" prop="real_name" ></el-table-column>
        <el-table-column label="电话" prop="phone" ></el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showMasterEdit(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeMasterById(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pageNo"
        :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pageSize" layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog title="添加课程管理员" :visible.sync="addMasterVisible" width="50%" @close="addMasterClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addMasterForm" :rules="addMasterFormRules" ref="addMasterFormRef" label-width="70px">
        <el-form-item label="工号" prop="username">
          <el-input v-model="addMasterForm.username"></el-input>
        </el-form-item>
        <el-form-item label="用户名" prop="name">
          <el-input v-model="addMasterForm.name"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addMasterForm.password"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="addMasterForm.phone"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addMasterVisible = false">取 消</el-button>
        <el-button type="primary" @click="addMaster">确 定</el-button>
      </span>

    </el-dialog>


    <!-- 修改用户的对话框 -->
    <el-dialog title="修改课程管理员" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editMasterForm" :rules="editMasterFormRules" ref="editMasterFormRef" label-width="70px">
        <el-form-item label="工号" prop="username">
          <el-input v-model="editMasterForm.username"></el-input>
        </el-form-item>
        <el-form-item label="用户名" prop="realName">
          <el-input v-model="editMasterForm.realName"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="editMasterForm.password"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="editMasterForm.phone"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
  data() {

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        pageNo: 1,
        pageSize: 5
      },
      MasterList: [],

      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addMasterVisible: false,
      // 添加用户的表单数据
      addMasterForm: {
        username: '',
        password: '',
        phone: '',
        name: ''
      },
      // 添加表单的验证规则对象
      addMasterFormRules: {
          username:[{
            required: true,
            message: '请输入工号',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 10,
            message: '工号的长度在3~10个字符之间',
            trigger: 'blur'
          }],
          name: [{
          required: true,
          message: '请输入真实姓名',
          trigger: 'blur'
        },
        {
          min: 2,
          max: 10,
          message: '真实姓名的长度在2~10个字符之间',
          trigger: 'blur'
        }
        ],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        },
        {
          min: 6,
          max: 15,
          message: '用户名的长度在6~15个字符之间',
          trigger: 'blur'
        }
        ],
          phone: [{
          required: true,
          message: '请输入手机号',
          trigger: 'blur'
        },
        {
          validator: checkMobile,
          trigger: 'blur'
        }
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editMasterForm: {
        id:'',
        username: '',
        password: '',
        phone: '',
        realName: ''
      },
      // 修改表单的验证规则对象
      editMasterFormRules: {
          username:[{
                required: true,
                message: '请输入工号',
                trigger: 'blur'
              },
              {
                min: 3,
                max: 10,
                message: '工号的长度在3~10个字符之间',
                trigger: 'blur'
              }],
              realName: [{
              required: true,
              message: '请输入真实姓名',
              trigger: 'blur'
            },
            {
              min: 2,
              max: 10,
              message: '真实姓名的长度在2~10个字符之间',
              trigger: 'blur'
            }
            ],
            password: [{
              required: true,
              message: '请输入密码',
              trigger: 'blur'
            },
            {
              min: 6,
              max: 15,
              message: '用户名的长度在6~15个字符之间',
              trigger: 'blur'
            }
            ],
              phone: [{
              required: true,
              message: '请输入手机号',
              trigger: 'blur'
            },
            {
              validator: checkMobile,
              trigger: 'blur'
            }
            ]
      }

    }
  },
  created() {
    this.getMasterList()
  },
  methods: {

    async getMasterList() {
        const { data: res } = await this.$http.get('master', {
            params: this.queryInfo
        })

        if (res.code !== 200) {
            return this.$message.error('获取用户列表失败！')
        }
        this.MasterList = res.data.info
        this.total = res.data.total
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pageSize = newSize
      this.getMasterList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pageNo = newPage
      this.getMasterList()
    },
    // 监听添加用户对话框的关闭事件
    addMasterClosed() {
      this.$refs.addMasterFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addMaster() {
      console.log(this.addMasterForm)
      let form = new FormData()
      form.append('username',this.addMasterForm.username)
      form.append('password',this.addMasterForm.password)
      form.append('phone',this.addMasterForm.phone)
      form.append('name',this.addMasterForm.name)
          this.$refs.addMasterFormRef.validate(async valid => {
              if (!valid) return

              const { data: res } = await this.$http.post('master', form)

              if (res.code !== 200) {
                  this.$message.error('添加用户失败！')
              }

              this.$message.success('添加用户成功！')
              // 隐藏添加用户的对话框
              this.addMasterVisible = false
              // 重新获取用户列表数据
              this.getMasterList()
          })
      },
      addMasterFormDialogClosed() {
          this.$refs.fileFormRef.resetFields()
      },
    // 展示编辑用户的对话框
      async showMasterEdit(MasterId) {

          const { data: res } = await this.$http.get('master/'+MasterId)
          if (res.code !== 200) {
              return this.$message.error('查询用户信息失败！')
          }

          this.editMasterForm = res.data
          this.editMasterForm.id = MasterId
          this.editDialogVisible = true
      },
      // 监听修改用户对话框的关闭事件
      editDialogClosed() {
          this.$refs.editMasterFormRef.resetFields()
      },
      // 修改用户信息并提交
      editUserInfo() {
      	let form = new FormData()
      form.append('id',this.editMasterForm.id)
      form.append('username',this.editMasterForm.username)
      form.append('password',this.editMasterForm.password)
      form.append('phone',this.editMasterForm.phone)
      form.append('realName',this.editMasterForm.realName)
          this.$refs.editMasterFormRef.validate(async valid => {
              if (!valid) return
              console.log(this.editMasterForm)
              const  { data: res } = await this.$http.put( 'master' , form )

              if (res.code !== 200) {
                  return this.$message.error('res.msg！')
              }

              // 关闭对话框
              this.editDialogVisible = false
              // 刷新数据列表
              this.getMasterList()
              // 提示修改成功
              this.$message.success('更新用户信息成功！')
          })
      },

      // 根据Id删除对应的用户信息
      async removeMasterById(MasterId) {
          // 弹框询问用户是否删除数据
          const confirmResult = await this.$confirm(
              '此操作将永久删除该用户, 是否继续?',
              '提示', {
                  confirmButtonText: '确定',
                  cancelButtonText: '取消',
                  type: 'warning'
              }
          ).catch(err => err)

          // 如果用户确认删除，则返回值为字符串 confirm
          // 如果用户取消了删除，则返回值为字符串 cancel
          // console.log(confirmResult)
          if (confirmResult !== 'confirm') {
              return this.$message.info('已取消删除')
          }

          const {
              data: res
          } = await this.$http.delete('master/'+MasterId )

          if (res.code !== 200) {
              return this.$message.error('删除用户失败！')
          }

          this.$message.success('删除用户成功！')
          this.getMasterList()
      }
  }
}
</script>

<style lang="less" scoped>
</style>
